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84440221106386 = 21931674672290933
BaseRepresentation
bin10011001100110001000101…
…011000100100000011010010
3102001222101222012012222222211
4103030301011120210003102
542031432033100401021
6455331145124422334
723533414252600345
oct2314610530440322
9361871865188884
1084440221106386
11249a599550a6a2
1295790b72479aa
1338168a90b5702
1416bccddb7c45c
159b673d3ec3e1
hex4ccc456240d2

84440221106386 has 64 divisors (see below), whose sum is σ = 139980832542720. Its totient is φ = 38048348479680.

The previous prime is 84440221106359. The next prime is 84440221106389. The reversal of 84440221106386 is 68360112204448.

It is not an unprimeable number, because it can be changed into a prime (84440221106389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35712976 + ... + 38003908.

It is an arithmetic number, because the mean of its divisors is an integer number (2187200508480).

Almost surely, 284440221106386 is an apocalyptic number.

84440221106386 is a deficient number, since it is larger than the sum of its proper divisors (55540611436334).

84440221106386 is a wasteful number, since it uses less digits than its factorization.

84440221106386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291519.

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 84440221106386 in words is "eighty-four trillion, four hundred forty billion, two hundred twenty-one million, one hundred six thousand, three hundred eighty-six".

Divisors: 1 2 19 31 38 62 67 134 467 589 934 1178 1273 2077 2546 4154 8873 14477 17746 28954 31289 39463 62578 78926 275063 550126 594491 969959 1188982 1939918 2290933 4581866 18429221 36858442 43527727 71018923 87055454 142037846 153492511 306985022 1069865711 1349359537 2139731422 2698719074 2916357709 4758267841 5832715418 9516535682 20327448509 33165837041 40654897018 66331674082 71681002637 90407088979 143362005274 180814177958 630150903779 1260301807558 1361939050103 2222111081747 2723878100206 4444222163494 42220110553193 84440221106386